NAME
cbrt, cbrtf,
cbrtl, sqrt,
sqrtf, sqrtl —
cube root and square root
functions
LIBRARY
library “libm”
SYNOPSIS
#include
<math.h>
double
cbrt(double
x);
float
cbrtf(float
x);
long double
cbrtl(long
double x);
double
sqrt(double
x);
float
sqrtf(float
x);
long double
sqrtl(long
double x);
DESCRIPTION
Thecbrt(),
cbrtf()
and
cbrtl()
functions compute the cube root of x.
The
sqrt(),
sqrtf()
and
sqrtl()
functions compute the non-negative square root of x.
RETURN VALUES
If x is negative,
sqrt(x),
sqrtf(x) and
sqrtl(x) set the global
variable errno to EDOM.
SEE ALSO
STANDARDS
The sqrt() function conforms to
ANSI X3.159-1989
(“ANSI C89”).
HISTORY
The cbrt() function appeared in
4.3BSD.